atomic: use <linux/atomic.h>

This allows us to move duplicated code in <asm/atomic.h>
(atomic_inc_not_zero() for now) to <linux/atomic.h>

Signed-off-by: Arun Sharma <asharma@fb.com>
Reviewed-by: Eric Dumazet <eric.dumazet@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: David Miller <davem@davemloft.net>
Cc: Eric Dumazet <eric.dumazet@gmail.com>
Acked-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

arch/parisc/include/asm/atomic.h

@@ -220,7 +220,6 @@ static __inline__ int atomic_add_unless(atomic_t *v, int a, int u)
 	return c != (u);
 }
 
-#define atomic_inc_not_zero(v) atomic_add_unless((v), 1, 0)
 
 #define atomic_add(i,v)	((void)(__atomic_add_return( (i),(v))))
 #define atomic_sub(i,v)	((void)(__atomic_add_return(-(i),(v))))

arch/parisc/include/asm/bitops.h

@@ -8,7 +8,7 @@
 #include <linux/compiler.h>
 #include <asm/types.h>		/* for BITS_PER_LONG/SHIFT_PER_LONG */
 #include <asm/byteorder.h>
-#include <asm/atomic.h>
+#include <linux/atomic.h>
 
 /*
  * HP-PARISC specific bit operations

arch/parisc/include/asm/mmu_context.h

@@ -3,7 +3,7 @@
 
 #include <linux/mm.h>
 #include <linux/sched.h>
-#include <asm/atomic.h>
+#include <linux/atomic.h>
 #include <asm/pgalloc.h>
 #include <asm/pgtable.h>
 #include <asm-generic/mm_hooks.h>